Cadillac CT5 I (2019-2024) computer data lines system Wiring diagrams

2.0L TURBO 3.0L AUTOSAR CAN BUS (+) SER DATA AUTOSAR CAN BUS (-) 2 SER DATA AUXILIARY TRANS OIL PUMP CTRL BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/WHT WIRE CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH SOLENOID CONTROL COMPUTER DATA LINES SYSTEM DEFAULT DISABLE SOL CTRL ENGINE CONTROL MODULE (FRONT LEFT OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK ETRS OUT OF PARK SW 2 SIG ETRS OUT OF PARK SW SIG ETRS PRESS SW SIG GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IN SPD SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 OUT SPD SIG PARK INHIBIT SOL CTRL POWER DISTRIBUTION SYSTEM RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 CTRL TRANS HI SIDE DRIVER 2 CTRL TRANS IN SPD SENS SIG TRANS INTERMEDIATE SPD SIG TRANS LINE PRESS SOL CTRL TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOSAR CAN BUS (-) 2 SER DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER RIGHT END OF DASH) BRN/WHT WIRE CAN BUS (-) 5 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH LOGIC RED/VIO WIRE RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH STEERING WHEEL AIR BAG COIL TAP UP/TAP DOWN SWITCH SIG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE W/O HANDS FREE LANE ACTIVE SAFETY W/ HANDS FREE LANE ACTIVE SAFETY WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP ENGINE WIRING HARNESS JUNCTION BLOCK GEAR SHIFT CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES IGNITION 1 VOLT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE ORG/ WIRE POWERTRAIN SENS BUS ENABLE RED/WHT WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) BATTERY POS VOLT TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE

AUTO SAR CAN BUS (+) 5 SERIAL DATA AUTO SAR CAN BUS (-) 5 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA BATT POS VOLT 65 BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES IMAGE PROCESSING MODULE (FRONT LEFT SIDE OF REAR WINDOW SHELF) INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SHORT RANGE RADAR SENSOR LOGIC LONG RANGE FORWARD RANGE RADAR SENSOR REAR BODY WIRING HARNESS JUNCTION BLOCK REAR SHORT RANGE RADAR SENSOR RED/ORG WIRE RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR WHT WIRE WHT/GRY WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 11 (-) EXTERNAL OBJECT CALCULATING GRN/GRY WIRE HOT AT ALL TIMES IMAGE PROCESSING MODULE (FRONT LEFT SIDE OF REAR WINDOW SHELF) INERTIAL SENSOR SUPPLY VOLTAGE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR SIDE SHORT RANGE RADAR SENSOR LOGIC PRIVATE SERIAL DATA ACTIVE SAFETY CAN BUS (-) SERIAL DATA REAR BODY WIRING HARNESS JUNCTION BLOCK RED/YEL WIRE RIGHT REAR SIDE SHORT RANGE RADAR SENSOR SIGNAL GROUND VEHICLE DYNAMIC SENSOR (UNDER CENTER CONSOLE) VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

2.0L TURBO 3.0L TURBO ACT CTRL CLS ACT CTRL OPN BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE WIRING HARNESS JUNCTION BLOCK GND 61 GRN/BLU WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 INLET TEMP SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LATE PRODUCTION LIN BUS 4 LO REF 2 MANIFOLD TEMP SIG OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) SENS 5 VOLT REF 1 SENS LO REF 1 SENS LO REF 2 TCM IGN/ECM IGN (EARLY PRODUCTION) TCM IGN/ECM IGN/ SHIFT IGN/ BRAKE IGN TEMP SENS 2 SIG TEMP SENS SIG TEMP SIG VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VLV POS SIG WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

BATT POS BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE CAN BUS (-) 5 CHARGE AIR COOLER COOLANT PUMP (LOWER LEFT REAR OF RADIATOR SHROUD) COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT BYPASS VALVE (LEFT SIDE OF ENGINE, ABOVE STARTER) ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLING FAN MOTOR (BEHIND CENTER OF RADIATOR) GND 13 GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC NCA WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SERIAL DATA VIO/BLU WIRE VOLT 32 WHT/RED WIRE

BATT POS VOLT 32 BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE CAN BUS (-) 5 COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GROUND GY HEAD UP DISPLAY SIG HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP HOT AT ALL TIMES HUD HUD SIG HUD SW LOW REF HUD SW SIG INFO INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LOGIC LVDS RED/BLU WIRE SERIAL DATA YEL WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (-) 2 SER DATA AXLE DIFFERENTIAL LK CTRL HI AXLE DIFFERENTIAL LK CTRL LO AXLE DIFFERENTIAL LK CTRL SHLD BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CONTROL MODULE DIFFERENTIAL LOCK MOTOR (FRONT LEFT SIDE OF REAR DIFFERENTIAL) DRIVER INFORMATION CENTER DISPLAY GRN/BRN WIRE GROUND GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC LOW REF MTR POS SENS HI REF MTR POS SENS LOW REF MTR POS SENS SIG 1 MTR POS SENS SIG 2 MTR TEMP SENS LOW REF MTR TEMP SENS SIG NCA WIRE REAR BODY WIRING HARNESS JUNCTION BLOCK SERIAL DATA (+) 5 SERIAL DATA (-) 5 WHT WIRE WHT/RED WIRE YEL/WHT WIRE

BATT POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BRN/WHT WIRE BUS (+) 3 SER DATA CLTH SOL ACTR CTRL CLTH SOL ACTR LO REF COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES OIL TEMP SEN SIG 2 REAR BODY WIRING HARNESS JUNCTION BLOCK RED/WHT WIRE SUMP OIL TEMP TRANSFER CASE CONTROL MODULE TRANSFER CASE FLUID TEMPERATURE SENSOR TRANSFER CASE TWO/FOUR WHEEL DRIVE CLUTCH COIL WHT WIRE YEL/BLK WIRE YEL/WHT WIRE